Home / 15,562,942.83-21,478,754.66-9,036,572.09

Finding the Fourth Proportional to 15,562,942.83, 21,478,754.66 and 9,036,572.09

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Solution

The fourth proportional to 15,562,942.83, 21,478,754.66 and 9,036,572.09 is: 12,471,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,942.83 : 21,478,754.66 = 9,036,572.09 : x
  2. Step 2: Convert to fraction form
    15,562,942.83/21,478,754.66 = 9,036,572.09/x
  3. Step 3: Cross multiply
    15,562,942.83x = 21,478,754.66 × 9,036,572.09
  4. Step 4: Simplify right side
    15,562,942.83x = 194,094,314,735,936.84
  5. Step 5: Solve for x
    x = 194,094,314,735,936.84/15,562,942.83
  6. Step 6: Final answer
    x = 12,471,568.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.